body{
    background-image:url("../img/background.png");
}
.content{
    margin-top: 50px;
}
.middle_column{
    margin:auto auto;
    width: 522px;
    height: 600px;
    border: 1px solid red;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 10px;
    padding: 10px;
}

.zh_title{
    font-size: 24px;
    font-weight: bold;
    text-align: center;
    margin: 8px 0;
}
.en_title{
    font-size: 18px;
    text-align: center;
    color: rgb(183, 147, 126);
    margin-bottom: 20px;
}
.layui-input-block .layui-input{
    width: 80%;
}


/* 下拉按钮样式 */
.dropbtn {
    font-size: 14px;
    height: 40px;
    width: 200px;
    line-height: 40px;
    border-width: 1px;
    border-style: solid;
    background-color: #fff;
    border-radius: 2px;
    padding-left: 4px;
    cursor: pointer;
    border-color: #e6e6e6;
    color: #777;
}
.search_top{
    margin-top: 20px;
}
/* 容器 <div> - 需要定位下拉内容 */
.dropdown {
    position: relative;
    display: inline-block;
    padding-left: 46px;
}

/* 鼠标移上去后修改下拉菜单链接颜色 */
.dropdown option:hover {
    background-color: #5FB878;
    color: #fff;
}


.sub_column{
    margin-top: 20px;
    width: 100%;
}
.layui-btn-lg{
    margin:0 203px;
}

.bottom_tip{
    text-align: center;
}

.tip_content{
    margin: 27px 0;
}

.layui-unselect{
    float: left;
    padding-left: 5px;
}

.name_title{
    float: left;
    display: block;
    line-height: 37px;
}